GD32F103 In Stock

GD32F103 Arm Cortex-M3 MCU

Name: GD32F103 Arm Cortex-M3 MCU
Brand: GigaDevice
SKU: GD32F103

The GD32F103 is a mainstream 32-bit MCU based on the Arm Cortex-M3 core running up to 108 MHz, pin-compatible with STM32F103 for easy migration. Rich peripherals (USART/SPI/I²C/USB/CAN/ADC) make it ideal for industrial control, motor drive, and consumer electronics.

Core

Arm Cortex-M3

Max Frequency

108 MHz

Flash

16KB ~ 1MB

SRAM

up to 96KB

Features

Arm Cortex-M3, up to 108 MHz
Flash 16KB ~ 1MB, SRAM up to 96KB
Pin-compatible with STM32F103
USB 2.0 FS, CAN 2.0B
Multiple USART / SPI / I²C
12-bit ADC, 2.6V ~ 3.6V supply

Specifications

Core	Arm Cortex-M3
Max Frequency	108 MHz
Flash	16KB ~ 1MB
SRAM	up to 96KB
Interfaces	USART, SPI, I²C, USB, CAN
ADC	12-bit
Supply Voltage	2.6V ~ 3.6V
Package	LQFP48/64/100, QFN

Applications

MCU32-bitCortex-M3ArmSTM32 Alternative

Order Info

Stock, pricing, lead time, and samples for GD32F103 — we reply within one business day.

Request Quote Request datasheet / sample

GigaDevice

China

Leading Flash Memory & 32-bit Arm MCU Maker

View all GigaDevice products → Official GigaDevice site

GD32F103 replaces these parts

Engineers use GD32F103 as a second source or alternative for the parts below. Open each for compatibility notes (drop-in / software / alternative) and an RFQ.

STM32F103 (e.g. STM32F103C8T6) Pin-compatible drop-in

STMicroelectronics

View cross-reference →

Selection guides & comparisons

Guide

STM32 Replacement: The GD32 Cross-Selection Master Guide

Comparison

GD32F103 vs STM32F103: Replacement & Compatibility Comparison

GD32F103 — Frequently Asked Questions

Where can I buy GD32F103?

JLink Technology is an authorized GigaDevice distributor serving Taiwan, Mainland China, and Hong Kong. Submit an RFQ for GD32F103 and we will respond with pricing and lead time within one business day.

Is GD32F103 in stock?

Stock and lead time for GD32F103 vary by quantity. Send us your required quantity via the RFQ form and we will confirm current availability and delivery schedule.

Can I get the GD32F103 datasheet and samples?

Yes. As an authorized GigaDevice distributor, JLink Technology can provide the official GD32F103 datasheet, samples, and engineering support. Contact us to request them.

What is the minimum order quantity for GD32F103?

We support orders from prototype samples to mass production. Tell us your target volume in the RFQ and we will quote accordingly.

Is there a pin-compatible alternative or second source for GD32F103?

Tell us the part you need to replace and your application. As a multi-line authorized distributor, JLink Technology can suggest a verified cross-reference or second source related to GD32F103 where one exists, and quote pricing, stock, and lead time.

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